CSI offers the CDT examination twice annually in the Spring and the Fall. Open registration for the test begins in the Winter and Summer respectively.
Spring 2018 Exam Dates March 27th - June 2nd, 2018
Spring 2018 Early Registration January 9th to January 23rd, 2018
Spring 2018 Standard Registration January 24th to February 28th, 2018
Spring 2018 2017 Final Registration March 1 to March 16th, 2018
Fall 2018 Exam Dates September 25th - December 10th, 2018
Fall 2018 Early Registration June 26th to July 10th, 2018
Fall 2018 Standard Registration July 11th to August 27th, 2018
Fall 2018 Final Registration August 28th to September 14th, 2018
For international candidates in Africa, Europe and the Middle East, visit CDT International Exam.
Questions? Contact firstname.lastname@example.org or 800-689-2900.
Institute Resources for the CDT
Taking the Exam
Moll/Betts Student Excellence Award
The Moll/Betts Student Excellence Award was established to promote the greater awareness of CSI to students completing studies in a construction-related educational program. Students taking the CDT exam are eligible for this award.
Moll/Betts Student Excellence Award Terms and Conditions (PDF)